Recent content by Catterick

I have just finished installing a larger solar PV panel and using a linear drive, it now tracks east to west which improves the PV efficiency by 15%. Problem with the static panel was cloudy weather which allowed the main 12v gel cell to run too low by not being fully charged. The linear drive...

A great system. I installed a similar system in 2009 but my solar hot water is stored in an un-vented cylinder and feeds my combi boiler through a thermostatic mixer valve set to 30'C. If the tank temperature hits 60'C, a 3 port valve diverts the hot water straight through to the domestic hot...

Instrumentation and electronics design engineer.